<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
	</head>
	<body>
		<div id="box"></div>
		<script>
			new Vue({
				el: '#box',
				data() {
					student: {
						name: 'dog',
						age: 10
					}
				},
				watch: {
					funllname(v, o) {
						alert(v.name + v.age + o.name + o.age)
					}
				}
			})
		</script>
	</body>
</html>
